First, the pivot is the first non-zero entry in Row 1, so it is the "1". The goal is to cahnge the "3" under the "1" to a zero. So, the row to change is Row 2. Thus, the insruction will be written next to Row 2, and has the outline form

- R

Next, we look at the pivot column

. | |||

To make these numerically the same, multiply Row 1 by 3. Finally, since they have the same sign, we insert a minus, giving the row operation as

- R

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